Fluid handling – Removable valve head and seat unit
Reexamination Certificate
2006-09-19
2006-09-19
Fox, John (Department: 3753)
Fluid handling
Removable valve head and seat unit
C251S129150
Reexamination Certificate
active
07108008
ABSTRACT:
Provided is a mounting structure for mounting a pilot valve assembly to a flow reversing valve assembly. The mounting structure includes a mounting bracket and a cover plate. Disposed through a face panel of the mounting bracket is an aperture that defines an axis line. The cover plate is generally parallel to and offset from the face panel. A solenoid coil having a central bore is placed between the face panel and the cover plate such that the central bore aligns with the axis line. A pilot valve body included with the pilot valve assembly is partially inserted through the aperture and into the central bore. Extending over the un-inserted portion of the pilot valve body is a sleeve including a spring. The sleeve and spring are arranged such that the spring urges the mounting bracket, the solenoid coil, and the cover plate toward one another.
REFERENCES:
patent: 3670768 (1972-06-01), Griswold
patent: 4172582 (1979-10-01), Bobnar
patent: 4543983 (1985-10-01), Pauliukonis
patent: 4712582 (1987-12-01), Marks
patent: 6626645 (2003-09-01), Okii et al.
Fox John
Ranco Incorporated of Delaware
Reinhart Boerner Van Deuren P.C.
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